Oracle

Resync Standby Database Using RMAN Incremental Backups

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Normally in DR setup, the archives from primary shipped to standby and applied there. Suppose some of the archives hasn’t been shipped to secondary .But due to intermittence error or human error, the archives has been deleted from primary. So without those archives, standby can’t be in sync with primary. So when this situation occurs, … Read more

Step by Step Data Guard Configuration in 19c

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1) PREREQUISITES: Requirements before starting the DATA GUARD CONFIGURATION. NOTE: 1) In PRIMARY SERVER DG11 we need to install the BINARIES OF ORACLE 19c and then create only 1 PRIMARY DB NAMED ORCL by using ./dbca or manually as required. 2) In STANDBY SERVER DG11S we only need to install the BINARIES OF ORACLE 19c. … Read more

Switchover to Physical Standby Database in Oracle !!

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Once the standby database is configured and verified to be working properly, we can switch over to the standby database for testing purposes. This helps to minimize downtime for the primary database, which may be required for various maintenance tasks such as OS upgrades, hardware upgrades, and other issues.During a switchover from the primary database … Read more

2 node RAC with Dataguard Configuration (DGMGRL)

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This guide will take you through the steps configure Oracle Grid Infrastructure 12c and Database 12c including RAC to RAC Data Guard and Data Broker configuration in a Primary and Physical Standby environment for high availability. You need to download the following software if you do not have already. We can see here 6 redo … Read more

Step by Step Oracle Database 23ai Installation on Oracle Linux 8.10 !!

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Oracle Database 23ai is the next long-term support release of Oracle Database. It includes over 300 new features with a focus on artificial intelligence (AI) and developer productivity. Oracle Database 23ai also uses AI to optimize many of the key database functions to make more accurate estimates on timings and resource costings. Oracle Database Free … Read more

Create Pluggable Database (PDB) Manually Using SQL Prompt Oracle 19c !!

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Use the CREATE PLUGGABLE DATABASE statement to create a pluggable database (PDB). This statement enables you to perform the following tasks: Prerequisites You must be connected to a CDB. The CDB must be open and in READ WRITE mode. To create a PDB or an application container, the current container must be the root and you must have the CREATE PLUGGABLE DATABASE system privilege, granted commonly. … Read more

How to check Tablespace Utilization in Oracle ?

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Hey Folks, As a DBA, performing routine checks for tablespace monitoring is a fundamental task. Here are some scripts that can assist in monitoring tablespace usage within the database. Track all Tablespaces with free space < 10% Check Tablespace Utilization in Multitenant Database Hope it helped !! 🙂

How to Rename ASM Diskgroup ??

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Hey Folks, Today I faced an issue while configuring Oracle DR setup which was due to different diskgroup present in primary (DGDATA) and standby (DATA). While running Active duplicate command in standby it was throwing below error: Therefore I tried to rename diskgroup in standby same as primary. Rename : DATA to DGDATA Check the … Read more